{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZGU2YM4N3ESHGP4P2RX7D6PRRS","short_pith_number":"pith:ZGU2YM4N","canonical_record":{"source":{"id":"1001.1328","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-08T17:36:11Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"ea471b5ce3ee34a75da6eb0023465cc9e950ea0465e3828f63cb4687ac157f44","abstract_canon_sha256":"165b71a4c598024b5cdff931f39857bbd508edf463caed8985c93452b683745d"},"schema_version":"1.0"},"canonical_sha256":"c9a9ac338dd924733f8fd46ff1f9f18cadbea859cfaabaad6c95660fb5822801","source":{"kind":"arxiv","id":"1001.1328","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1328","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1328v1","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1328","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZGU2YM4N3ESH","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"ZGU2YM4N3ESHGP4P","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"ZGU2YM4N","created_at":"2026-07-04T17:19:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZGU2YM4N3ESHGP4P2RX7D6PRRS","target":"record","payload":{"canonical_record":{"source":{"id":"1001.1328","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-08T17:36:11Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"ea471b5ce3ee34a75da6eb0023465cc9e950ea0465e3828f63cb4687ac157f44","abstract_canon_sha256":"165b71a4c598024b5cdff931f39857bbd508edf463caed8985c93452b683745d"},"schema_version":"1.0"},"canonical_sha256":"c9a9ac338dd924733f8fd46ff1f9f18cadbea859cfaabaad6c95660fb5822801","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:19:13.107425Z","signature_b64":"thbjJAJI4jlqQ32k6XJ5Bnl4ga7jEYUzOOM4+MvpT9K2mEy4tLjseo0SF4IWy16eNTwn8ak7KYoTeA9OYBGcAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9a9ac338dd924733f8fd46ff1f9f18cadbea859cfaabaad6c95660fb5822801","last_reissued_at":"2026-07-04T17:19:13.106950Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:19:13.106950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.1328","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHx0d1z94Zip3R4nvBfMGcpvsc+7qjaISFkjneEmWtxW1/SGDTifX/51Bb1J190PclAIKUz6ejFBcTXei3WIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:03:44.974098Z"},"content_sha256":"5fd1b9d05f735bf6f4a1b89752083d9de1da34c8c18120cca3238d224b6c67bb","schema_version":"1.0","event_id":"sha256:5fd1b9d05f735bf6f4a1b89752083d9de1da34c8c18120cca3238d224b6c67bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZGU2YM4N3ESHGP4P2RX7D6PRRS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-organized synthesis of patterned magnetic nanostructures with in-plane and perpendicular to the plane magnetization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. K. Gangopadhyay, H. Krishna, J. Strader, R. Kalyanaraman","submitted_at":"2010-01-08T17:36:11Z","abstract_excerpt":"Patterned arrays of ferromagnetic nanoparticles of Co, Ni, and Fe_{\\text{50}} Co_{\\text{50}} have been synthesized from their ultrathin metal films on SiO_{\\text{2}} substrate by nanosecond laser-induced self-organization. The morphology, nanostructure, and magnetic behavior of the nanoparticle arrays were investigated by a combination of electron, atomic force, and magnetic force microscopy techniques. Transmission electron microscopy investigations revealed a granular polycrystalline nanostructure, with the number of grains inside the nanoparticle increasing with their diameter. Magnetic for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1328","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1001.1328/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGi2K0WSZOnrDLUPyW3DBRKVoKdW22GPy4R1RYkSfediioPUqEM9/vvu+woMB49/SfExd1DGL5vSPGwOqdt9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:03:44.974724Z"},"content_sha256":"c3759b997bd422a5ec4d785dbaddc3809e726f853f0eb6e752f38025a6366f02","schema_version":"1.0","event_id":"sha256:c3759b997bd422a5ec4d785dbaddc3809e726f853f0eb6e752f38025a6366f02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/bundle.json","state_url":"https://pith.science/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T22:03:44Z","links":{"resolver":"https://pith.science/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS","bundle":"https://pith.science/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/bundle.json","state":"https://pith.science/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZGU2YM4N3ESHGP4P2RX7D6PRRS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZGU2YM4N3ESHGP4P2RX7D6PRRS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"165b71a4c598024b5cdff931f39857bbd508edf463caed8985c93452b683745d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-08T17:36:11Z","title_canon_sha256":"ea471b5ce3ee34a75da6eb0023465cc9e950ea0465e3828f63cb4687ac157f44"},"schema_version":"1.0","source":{"id":"1001.1328","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1328","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1328v1","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1328","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZGU2YM4N3ESH","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"ZGU2YM4N3ESHGP4P","created_at":"2026-07-04T17:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"ZGU2YM4N","created_at":"2026-07-04T17:19:13Z"}],"graph_snapshots":[{"event_id":"sha256:c3759b997bd422a5ec4d785dbaddc3809e726f853f0eb6e752f38025a6366f02","target":"graph","created_at":"2026-07-04T17:19:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1001.1328/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Patterned arrays of ferromagnetic nanoparticles of Co, Ni, and Fe_{\\text{50}} Co_{\\text{50}} have been synthesized from their ultrathin metal films on SiO_{\\text{2}} substrate by nanosecond laser-induced self-organization. The morphology, nanostructure, and magnetic behavior of the nanoparticle arrays were investigated by a combination of electron, atomic force, and magnetic force microscopy techniques. Transmission electron microscopy investigations revealed a granular polycrystalline nanostructure, with the number of grains inside the nanoparticle increasing with their diameter. Magnetic for","authors_text":"A. K. Gangopadhyay, H. Krishna, J. Strader, R. Kalyanaraman","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-08T17:36:11Z","title":"Self-organized synthesis of patterned magnetic nanostructures with in-plane and perpendicular to the plane magnetization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1328","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5fd1b9d05f735bf6f4a1b89752083d9de1da34c8c18120cca3238d224b6c67bb","target":"record","created_at":"2026-07-04T17:19:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"165b71a4c598024b5cdff931f39857bbd508edf463caed8985c93452b683745d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-08T17:36:11Z","title_canon_sha256":"ea471b5ce3ee34a75da6eb0023465cc9e950ea0465e3828f63cb4687ac157f44"},"schema_version":"1.0","source":{"id":"1001.1328","kind":"arxiv","version":1}},"canonical_sha256":"c9a9ac338dd924733f8fd46ff1f9f18cadbea859cfaabaad6c95660fb5822801","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9a9ac338dd924733f8fd46ff1f9f18cadbea859cfaabaad6c95660fb5822801","first_computed_at":"2026-07-04T17:19:13.106950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:19:13.106950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"thbjJAJI4jlqQ32k6XJ5Bnl4ga7jEYUzOOM4+MvpT9K2mEy4tLjseo0SF4IWy16eNTwn8ak7KYoTeA9OYBGcAw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:19:13.107425Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.1328","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fd1b9d05f735bf6f4a1b89752083d9de1da34c8c18120cca3238d224b6c67bb","sha256:c3759b997bd422a5ec4d785dbaddc3809e726f853f0eb6e752f38025a6366f02"],"state_sha256":"490835377f8825699db5ef7bcaa9e58e9eea92cbb940c552b560db383e5f40bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLOWskpozBbjvV9uV8uqda+CWNvyrPOGVMjI8gLuMQ7yILFYd/3XPJGXw94G3/NxSNPO8CgaWmkkNo9MFLj8BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:03:44.979892Z","bundle_sha256":"d575cc9c36b3aae5f27d909389a3e58986cfd918aea976bb08b73d48b50e9773"}}